import java.io.IOException;  
import java.io.InputStream;  
import java.util.Properties;  
  
public class PropertiesLoader {  
 
   private Properties props;  
     private String nomeDoProperties = "leilao.properties";  
   
     protected PropertiesLoader(){  
             props = new Properties();  
             InputStream in = this.getClass().getResourceAsStream(nomeDoProperties);  
             try{  
                     props.load(in);  
                     in.close();  
             }  
             catch(IOException e){e.printStackTrace();}  
     }  
   
     protected String getValor(String chave){  
             return (String)props.getProperty(chave);  
     }  
 }   